OEM No/Model: ZH1105W
Characteristics:
All chromeplated
Risun Autoparts aim to innovatively produce energy-saving, environment protecting, long service life and low cost piston ring, benefiting the customers and society.
Ring Product techniques and Quality System
1. Raw materials:
1) Top and center ring material are mainly high-carbon stainless steel, high-performance alloy gray iron, ductile iron and low alloy spring steel.
2) 3-piece steel assembly oil rings are commonly used for gasoline engines, accompanied by 2-piece cast iron or ductile oil rings as second choice.
3) For diesel engine oil rings, it generally consists of spring expander plus cast iron, ductile iron or nitriding oil ring assembly.
2. Surface treatment: chrome plating, nitriding, molybdenum spraying and PVD etc.
3. Phosphate coating and oxidation are being applied to surface protection treatment.
4. Processing equipment accomplished 80% numerical control, 15% automotive production with 5% manual operation.
5. The constant 6 sigma quality system is being conducted, with CPK rate as the evaluation standard aiming to achieve 0 defect productions.
6. Guided by timely providing clients with high quality, low cost and satisfactory service, IE and QE activities are conducted in the whole team to improve and optimize recourses allocation, so as to enhance our competitiveness.
7. Quality system certificates: Our company have passed the ISO9000/QS9000/VDA6.1 quality system valuation conducted by German TUV Co. in March 2001, and TS16949 in 2011.
If you want to purchase high quality piston rings, welcome contact with us!
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